Re: [PATCH v5] printk: Userspace format enumeration support

[kernel test robot <lkp@intel.com>]

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Hi Chris,

I love your patch! Yet something to improve:

[auto build test ERROR on jeyu/modules-next]
[also build test ERROR on linux/master soc/for-next openrisc/for-next powerpc/next uml/linux-next tip/x86/core asm-generic/master linus/master v5.12-rc2]
[cannot apply to pmladek/for-next next-20210310]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Chris-Down/printk-Userspace-format-enumeration-support/20210310-103231
base:   https://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux.git modules-next
config: openrisc-randconfig-r022-20210308 (attached as .config)
compiler: or1k-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/0day-ci/linux/commit/097254e932767fc7d5ba0243a83265017d427d74
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Chris-Down/printk-Userspace-format-enumeration-support/20210310-103231
        git checkout 097254e932767fc7d5ba0243a83265017d427d74
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=openrisc 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   or1k-linux-ld: arch/openrisc/kernel/entry.o: in function `_external_irq_handler':
>> (.text+0x5e4): undefined reference to `_printk'
   (.text+0x5e4): relocation truncated to fit: R_OR1K_INSN_REL_26 against undefined symbol `_printk'

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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